Servo Specs, Reviews, & Comparison Tool
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Make | Model | Modulation | Weight | Dimensions (L×W×H) |
Torque | Speed | Motor Type |
Rotation | Gear Material |
Typical Price |
Compare |
Futaba | BLS174HV * | Digital | 1.66 oz | 1.87×1.06×1.00 in |
7.4V 133.0 oz-in |
7.4V 0.09 s/60° |
Brushless | Dual Bearings | Plastic | (add) | |
Futaba | BLS174SV * | Digital | 1.87 oz | 1.89×1.06×0.98 in |
6.0V 108.0 oz-in 7.4V 133.0 oz-in 6.6V 122.0 oz-in |
6.0V 0.11 s/60° 7.4V 0.09 s/60° 6.6V 0.10 s/60° |
Brushless | Dual Bearings | Metal | $149.99 | |
Futaba | BLS175HV * | Digital | 2.33 oz | 1.58×0.79×1.46 in |
7.4V 292.0 oz-in |
7.4V 0.12 s/60° |
Brushless | Dual Bearings | Metal | $139.00 | |
Futaba | BLS175SV * | Digital | 2.33 oz | 1.58×0.79×1.46 in |
6.0V 250.0 oz-in 7.4V 292.0 oz-in 6.6V 270.0 oz-in |
6.0V 0.15 s/60° 7.4V 0.12 s/60° 6.6V 0.13 s/60° |
Brushless | Dual Bearings | Metal | $169.99 | |
Futaba | BLS177SV * | Digital | 2.79 oz | 1.61×0.83×1.50 in |
6.0V 431.0 oz-in 7.4V 514.0 oz-in 6.6V 472.0 oz-in |
6.0V 0.14 s/60° 7.4V 0.11 s/60° 6.6V 0.12 s/60° |
Brushless | Dual Bearings | Hybrid | $239.99 | |
Futaba | BLS251 * | Digital | 2.10 oz | 1.57×0.79×1.45 in |
4.8V 53.0 oz-in |
4.8V 0.06 s/60° |
Brushless | Dual Bearings | Metal | $149.99 | |
Futaba | BLS251SB | Digital | 2.12 oz | 1.57×0.79×1.45 in |
4.8V 52.8 oz-in |
4.8V 0.06 s/60° |
Brushless | Dual Bearings | Metal | $169.99 | |
Futaba | BLS252 * | Digital | 2.05 oz | 1.57×0.79×1.46 in |
4.8V 139.0 oz-in 6.0V 175.0 oz-in |
4.8V 0.16 s/60° 6.0V 0.13 s/60° |
Brushless | Dual Bearings | Metal | $149.99 | |
Futaba | BLS253 * | Digital | 2.05 oz | 1.57×0.79×1.46 in |
4.8V 117.0 oz-in 6.0V 147.0 oz-in |
4.8V 0.13 s/60° 6.0V 0.10 s/60° |
Brushless | Dual Bearings | Metal | $149.99 | |
Futaba | BLS254 * | Digital | 1.80 oz | 1.57×0.79×1.45 in |
4.8V 53.0 oz-in |
4.8V 0.06 s/60° |
Brushless | Dual Bearings | (add) | $85.00 | |
Futaba | BLS255HV * | Digital | 2.12 oz | 1.58×0.79×1.45 in |
6.0V 147.2 oz-in 7.4V 166.7 oz-in |
6.0V 0.10 s/60° 7.4V 0.08 s/60° |
Brushless | Dual Bearings | Plastic | (add) | |
Futaba | BLS256HV * | Digital | 2.15 oz | 1.58×0.79×1.45 in |
6.0V 61.1 oz-in 7.4V 69.5 oz-in |
6.0V 0.06 s/60° 7.4V 0.05 s/60° |
Brushless | Dual Bearings | Plastic | (add) | |
Futaba | BLS257 * | Digital | 0.92 oz | 1.42×0.59×1.10 in |
4.8V 36.0 oz-in |
4.8V 0.07 s/60° |
Brushless | (add) | Plastic | $129.99 | |
Futaba | BLS272HV * | Digital | 2.12 oz | 1.58×0.79×1.46 in |
7.4V 167.0 oz-in |
7.4V 0.08 s/60° |
Brushless | Dual Bearings | Metal | $95.00 | |
Futaba | BLS272SV * | Digital | 2.12 oz | 1.58×0.79×1.46 in |
6.0V 147.0 oz-in 7.4V 167.0 oz-in 6.6V 156.0 oz-in |
6.0V 0.10 s/60° 7.4V 0.08 s/60° 6.6V 0.09 s/60° |
Brushless | Dual Bearings | Metal | $169.99 | |
Futaba | BLS273SV * | Digital | 2.54 oz | 1.61×0.83×1.50 in |
6.0V 172.0 oz-in 7.4V 211.0 oz-in 6.6V 189.0 oz-in |
6.0V 0.09 s/60° 7.4V 0.07 s/60° 6.6V 0.08 s/60° |
Brushless | Dual Bearings | Plastic | $249.99 | |
Futaba | BLS274SV * | Digital | 1.87 oz | 1.58×0.79×1.46 in |
6.0V 56.0 oz-in 7.4V 70.0 oz-in 6.6V 61.0 oz-in |
6.0V 0.06 s/60° 7.4V 0.05 s/60° 6.6V 0.06 s/60° |
Brushless | Dual Bearings | Plastic | $154.99 | |
Futaba | BLS275SV * | Digital | 2.72 oz | 1.61×0.83×1.50 in |
6.0V 172.0 oz-in 7.4V 211.0 oz-in 6.6V 189.0 oz-in |
6.0V 0.09 s/60° 7.4V 0.07 s/60° 6.6V 0.08 s/60° |
Brushless | Dual Bearings | Hybrid | $249.99 | |
Futaba | BLS276SV * | Digital | 2.12 oz | 1.57×0.79×1.45 in |
6.0V 56.0 oz-in 7.4V 69.5 oz-in 6.6V 61.1 oz-in |
6.0V 0.06 s/60° 7.4V 0.05 s/60° 6.6V 0.06 s/60° |
Brushless | Dual Bearings | Metal | $179.99 | |
Futaba | BLS351 * | Digital | 2.22 oz | 1.57×0.79×1.46 in |
4.8V 173.0 oz-in 6.0V 217.0 oz-in |
4.8V 0.16 s/60° 6.0V 0.13 s/60° |
Brushless | Dual Bearings | Metal | $149.00 | |
Futaba | BLS352 * | Digital | 2.22 oz | 1.57×0.79×1.46 in |
4.8V 200.0 oz-in 6.0V 250.0 oz-in |
4.8V 0.19 s/60° 6.0V 0.15 s/60° |
Brushless | Dual Bearings | Hybrid | $159.00 | |
Futaba | BLS371SV | Digital | 2.22 oz | 1.57×0.79×1.45 in |
4.8V 176.0 oz-in 6.0V 219.5 oz-in 7.4V 263.9 oz-in 6.6V 239.0 oz-in |
4.8V 0.16 s/60° 6.0V 0.13 s/60° 7.4V 0.10 s/60° 6.6V 0.12 s/60° |
Brushless | Dual Bearings | Metal | $159.99 | |
Futaba | BLS373SV | (add) | 2.96 oz | 1.59×0.82×1.57 in |
6.0V 430.7 oz-in 7.4V 513.9 oz-in |
6.0V 0.14 s/60° 7.4V 0.11 s/60° |
(add) | (add) | (add) | $229.99 | |
Futaba | BLS451 * | Digital | 2.05 oz | 1.57×0.79×1.46 in |
4.8V 118.0 oz-in 6.0V 147.0 oz-in |
4.8V 0.13 s/60° 6.0V 0.10 s/60° |
Brushless | Dual Bearings | Metal | $99.99 | |
Futaba | BLS452 | Digital | 2.05 oz | 1.57×0.79×1.46 in |
4.8V 156.0 oz-in 6.0V 194.0 oz-in |
4.8V 0.18 s/60° 6.0V 0.14 s/60° |
Brushless | (add) | Metal | $99.99 |